Teen stars Miley Cyrus and Zac Efron are all over Twitter, probably helped by a
large teenage twitter user base (however, the average age on twitter is 31,
according to Pew).
Hollywood/Disney should consider making a film with both of them (and while
they're at it, have with Britney Spears and John Mayer as supporting acts).

Another interesting thing to look at is gender distribution. Intuitively I was
expecting a female majority, but in reality male celebrities are
overrepresented, they appear nearly twice as as often as women in dreams (~
1.82). Or maybe women talk more about celebrities than men.

You can grab the full list from google tables: tables.googlelabs.com/DataSource?dsrcid=22075
(you'll need a google account). Fusion Tables is a new google service to
collaboratively visualise data, but it's still in pre-alpha, some features are
missing from it. It doesn't have an API yet either so the data is unfortunately
static.